Page 1 of 2 1 2 Next > Sponsored By: May 28, 2020 at 4:14 PM #1. blabarre Member. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as .4mm. Iridium Vs Platinum Spark Plugs – What Type Should You Go With? Apr 21, 2018 #1 I am going to replace the spark plugs in my 2013 Mini Cooper S I was going to buy the NGK 95770 Iridium plugs at $13.99 ea. Unresolved Threads = Resolved threads Page 1. Depends on what you mean by ‘better’. That’s because copper has the lowest melting point of all the currently available spark plug materials (copper melts at 1,983 degrees F, yttrium at 2,779 degrees, platinum at 3,222 degrees and iridium at 4,229 degrees). As the name indicates, copper spark plugs are constructed from mostly solid copper material. Some coatings can be brittle. I constantly encounter problems … Re: Spark Plugs: Copper vs Iridium vs Platinum FF#32 Post by 93Regina » 14 May 2016, 21:11 matthew1 wrote: Platinum plugs - OE equipped in most turbo applications (Volvo) these plugs do quite well for cars that are younger and have fewer miles. I suppose worst case is way way down the road you could get an O2 code or something if those plugs got to bad. Relevance. This can be an advantage in certain situations. On the right, standard iridium that are OE on the car. On the other hand, they are also a better option than platinum plugs in terms of consistency and longevity. Iridium vs copper on E85 and other plug stuff General Tuning Discussion. Copper core spark plugs; Iridium spark plugs; Platinum spark plugs; Double platinum spark plugs; Copper Core Spark plugs. Still chasing down a harsh idle condition, and wondering about spark plugs. Spark plugs: Copper vs. I have used all three types of spark plugs in my cars (all Suzukis) and found quite a difference between the Iridium/Platinum and the Copper ones which are much cheaper. A regular spark plug uses a copper central electrode whereas an iridium spark plug uses, you guessed it, iridium. Let’s start with the most common spark plug out there, the copper core. Iridium IX® vs. OE Iridium Spark Plugs. Also iridium spark plugs are suitable for older car models, improving their performance, but many people think the opposite. What about platinum plugs? 542 Posts . 5.“Copper spark plugs” “Copper spark plugs” is a term often used to describe a standard material spark plug. Copper plugs actually experience rapid edge wear and increased spark plug gap in as little as 10,000 miles. Who cares if the emissions dont fire as good unless you live in Calif. Keep in mind that copper spark plugs need to be changed every 20,000 miles. Go. So making coils go out is highly doubtful. Are iridium plugs really worth the cost? Both platinum and iridium fine-wire plugs will outperform copper-tipped plugs, but the iridium's ability to withstand high temperatures allows for a thinner plug tip. Every plug, copper, iridium, platinum, unubtainium, etc., has a different resistance. F. fins. I also prefer not to change out plugs all the time either. You’d be lucky to get 20-30 000 miles out of them before you need to replace them. Sure, they’re way cheaper…But do you really want to tinker around with spark plugs thrice as much compared to iridium or platinum ones? Platinum vs. Iridium? Pros and Cons: Iridium vs Platinum Spark Plug; 7 Symptoms of a Bad Spark Plug in Your Car ; Copper Spark Plugs. Is is better t stick with the OEM copper plugs in my 2010 Dodge Ram 1500 (5.7 V8) or go with a platinum or possibly iridium plug? Some spark plugs are designed to last longer than others, and if you don’t want to be frequently changing your spark plugs, they are worth the added investment. You need to make sure that the gapping of the spark plugs should be proper no matter which one they are. Iridium Spark Plugs. Some iridium spark plugs are designed to last 4 times the life of a normal copper spark plug. Iridium vs. platinum vs. copper spark plugs? Price is identical, actually the Ruthenium are a few cents cheaper, but that's negligible. Reason being there has been a long discussion on my Focus forum about swapping out the Motorcraft platinum for copper due to greater conduction of the spark. Both types have the very same parts and construction, the only difference between iridium and platinum spark plugs is the metal used for the center electrode. Since copper is far less durable than platinum or iridium electrodes, copper spark plugs are commonly found in cars manufactured before the 1980s, when cars were built with fewer electronic components. Also, it has a nickel alloy-based central electrode. Gold Member 3 Posts Finland. Discuss all things tuning in this section. I put Bosch double Iridium plugs in about a year ago. Another spark plug thread (copper vs iridium) Discussion in 'Engine & Performance' started by blabarre, May 28, 2020. They are also the longest conductors and works well if you don’t really travel that much. Gap is the same, form factor too. 4. Messages 131 Location ohio. 3641 Views. It is high-performance, spark plugs with a central iridium electrode, which consist of durable alloy. Next Last. They are sold around $1-3 maximum and can receive 20,000 to 40,000 miles each use. Iridium Spark Plug vs Standard. Platinum lasts longer but copper conducts better and the recommendation was to try those and open the gap 0.50 to 0.55. News, products, problems and results. 1) Long Lifespan. Joined: Oct 15, 2006 Location: Nebraska. Answer Save. Or is it just best to stick with good ol copper plugs on an all stock car? Aside from the very common copper spark plugs, there are two other options for most users; platinum and iridium plugs. For the OE Iridium series, dual precious metal means iridium on the center tip and platinum on the ground electrode. 1 decade ago. Discussion Starter • #1 • Sep 16, 2018. 1 of 2 Go to page. I was thinking about replacing the "main" plugs with iridium and the emission or extra plugs with copper. To each their own I guess. So, spark plug replacement time for the Mazda (2.3 engine). Some copper spark plugs use different shapes and configurations to produce similar results for a fraction of the cost. Iridium can be hard when it is correctly applied to spark plugs. Today I want to go over the different types of common spark plugs, and how to determine which is the best one for your ride. People buy these spark plugs thinking they have improved the spark and hence increased the power of their stock vehicles but that is not true. There is a very close Iridium spark plug match for your standard spark plug (i.e. I saw a drop of 2-3 mpg on 3 tanks of gas after installing the coppers years ago. However, this terminology is incorrect, as standard material plugs do not have electrodes made from copper. Such as copper vs platinum vs iridium. Champion vs NGK Spark Plugs ?? Every plug in the Laser Series was designed for an OEM application. Thread starter fins; Start date Apr 21, 2018; 1; 2; Next. Lv 7. Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. The reason being the positioning and gap of the spark plugs is not proper. On the 4.0, the ignition is designed to use a copper plug. In the real world, though, you're unlikely to see any measurable change in fuel economy using iridium instead of platinum plugs. Platinum, yttrium and iridium spark plugs are more expensive than copper spark plugs, but these premium coatings provide much better wear resistance. Below are the top 3 benefits of iridium spark plugs. Copper spark plugs die out way faster than the other two types. NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX®. Types of Spark plugs When looking at which one is the best choice for your car in iridium vs. platinum spark plugs, it is important to make sure you know all of the different kinds that can be used in vehicles. Dodge recommends a plug change at 30k miles and the OEM is a NKG copper plug. Go to End / Reply / Author. When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. 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